content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------
   * MultiplePiePlotTests.java
   * -------------------------
   * (C) Copyright 2005-2014, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 16-Jun-2005 : Version 1 (DG);
   * 06-Apr-2006 : Added tests for new fields (DG);
   * 18-Apr-2008 : Added testConstructor() (DG);
   * 30-Dec-2008 : Updated for new legendItemShape field (DG);
   * 01-Jun-2009 : Added test for getLegendItems() bug, series key is not
   *               set (DG);
   *
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.LegendItem;
  import org.jfree.chart.event.PlotChangeEvent;
  import org.jfree.chart.event.PlotChangeListener;
  import org.jfree.chart.util.TableOrder;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.junit.Test;
  
  import java.awt.Color;
  import java.awt.GradientPaint;
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Some tests for the {@link MultiplePiePlot} class.
   */
  public class MultiplePiePlotTest
          implements PlotChangeListener {
  
      /** The last event received. */
      PlotChangeEvent lastEvent;
  
  
  
      /**
       * Receives a plot change event and records it.  Some tests will use this
       * to check that events have been generated (or not) when required.
       *
       * @param event  the event.
       */
      @Override
      public void plotChanged(PlotChangeEvent event) {
          this.lastEvent = event;
      }
  
  
  
      /**
       * Some checks for the constructors.
       */
      @Test
      public void testConstructor() {
          MultiplePiePlot plot = new MultiplePiePlot();
          assertNull(plot.getDataset());
  
          // the following checks that the plot registers itself as a listener
          // with the dataset passed to the constructor - see patch 1943021
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          plot = new MultiplePiePlot(dataset);
          assertTrue(dataset.hasListener(plot));
      }
  
      /**
       * Check that the equals() method distinguishes the required fields.
       */
      @Test
      public void testEquals() {
          MultiplePiePlot p1 = new MultiplePiePlot();
          MultiplePiePlot p2 = new MultiplePiePlot();
          assertEquals(p1, p2);
          assertEquals(p2, p1);
  
          p1.setDataExtractOrder(TableOrder.BY_ROW);
          assertFalse(p1.equals(p2));
          p2.setDataExtractOrder(TableOrder.BY_ROW);
          assertEquals(p1, p2);
  
          p1.setLimit(1.23);
          assertFalse(p1.equals(p2));
          p2.setLimit(1.23);
          assertEquals(p1, p2);
  
          p1.setAggregatedItemsKey("Aggregated Items");
          assertFalse(p1.equals(p2));
          p2.setAggregatedItemsKey("Aggregated Items");
          assertEquals(p1, p2);
  
          p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.yellow));
          assertFalse(p1.equals(p2));
          p2.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.yellow));
          assertEquals(p1, p2);
  
          p1.setPieChart(ChartFactory.createPieChart("Title", null));
          assertFalse(p1.equals(p2));
          p2.setPieChart(ChartFactory.createPieChart("Title", null));
          assertEquals(p1, p2);
  
          p1.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
          assertFalse(p1.equals(p2));
          p2.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
          assertEquals(p1, p2);
      }
  
      /**
       * Some basic checks for the clone() method.
       * @throws CloneNotSupportedException 
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          MultiplePiePlot p1 = new MultiplePiePlot();
          Rectangle2D rect = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
          p1.setLegendItemShape(rect);
          MultiplePiePlot p2 = (MultiplePiePlot) p1.clone();
          assertNotSame(p1, p2);
          assertSame(p1.getClass(), p2.getClass());
          assertEquals(p1, p2);
  
          // check independence
          rect.setRect(2.0, 3.0, 4.0, 5.0);
          assertFalse(p1.equals(p2));
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       * @throws IOException
       * @throws ClassNotFoundException  
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          MultiplePiePlot p1 = new MultiplePiePlot(null);
          p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
                  3.0f, 4.0f, Color.RED));
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(p1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
          MultiplePiePlot p2 = (MultiplePiePlot) in.readObject();
              in.close();
  
          assertEquals(p1, p2);
      }
  
      /**
       * Fetches the legend items and checks the values.
       */
      @Test
      public void testGetLegendItems() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.addValue(35.0, "S1", "C1");
          dataset.addValue(45.0, "S1", "C2");
          dataset.addValue(55.0, "S2", "C1");
          dataset.addValue(15.0, "S2", "C2");
          MultiplePiePlot plot = new MultiplePiePlot(dataset);
          List<LegendItem> legendItems = plot.getLegendItems();
          assertEquals(2, legendItems.size());
          LegendItem item1 = legendItems.get(0);
          assertEquals("S1", item1.getLabel());
          assertEquals("S1", item1.getSeriesKey());
          assertEquals(0, item1.getSeriesIndex());
          assertEquals(dataset, item1.getDataset());
          assertEquals(0, item1.getDatasetIndex());
  
          LegendItem item2 = legendItems.get(1);
          assertEquals("S2", item2.getLabel());
          assertEquals("S2", item2.getSeriesKey());
          assertEquals(1, item2.getSeriesIndex());
          assertEquals(dataset, item2.getDataset());
          assertEquals(0, item2.getDatasetIndex());
      }
  
  }
  